eurorack/stereo_mix/bootloader/bootloader.cc

#include <stm32f0xx_hal.h>
#include <stm32f0xx_ll_bus.h>
#include <stm32f0xx_ll_system.h>

#include "stmlib/system/bootloader_utils.h"
#include "stmlib/system/system_clock.h"

using namespace stmlib;

extern "C" void __cxa_pure_virtual()
{
  while (1)
    ;
}

extern "C" {
void Error_Handler(void)
{
  while (1)
    ;
}
void SysTick_Handler()
{
  system_clock.Tick();
}
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = { 0 };
  RCC_ClkInitTypeDef RCC_ClkInitStruct = { 0 };

  /** Initializes the CPU, AHB and APB busses clocks
   */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI14 | RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSI14State = RCC_HSI14_ON;
  RCC_OscInitStruct.HSI14CalibrationValue = 16;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
  RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV1;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
    Error_Handler();
  }
  /** Initializes the CPU, AHB and APB busses clocks
   */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
      | RCC_CLOCKTYPE_PCLK1;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK) {
    Error_Handler();
  }
}
}


const uint32_t kStartAddress = 0x08002000;
int main(void)
{
  HAL_Init();
  SystemClock_Config();

  // todo: do bootloader things
  HAL_DeInit();
  Uninitialize();
  __disable_irq();
  JumpTo(kStartAddress);
}